Lowest Common Multiple

The Lowest Common Multiple (LCM) is the smallest number into which two given numbers will divide.

To find the LCM, list the multiples of each given number until you see one multiple common to both numbers.


Examples

NUMBERSMULTIPLESLOWEST COMMON MULTIPLE
44, 8, 12, 16, 20, 24The LCM is 12.
66, 12, 18, 24

NUMBERSMULTIPLESLOWEST COMMON MULTIPLE
55, 10, 15, 20, 25, 30, 35, 40The LCM is 40.
88, 16, 24, 32, 40

Questions

Find the Lowest Common Multiple of each of these sets of numbers.

Q1. 5, 6
Q2. 10, 12
Q3. 4, 5, 6

Answer
A1. 30
A2. 60
A3. 60